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359920 (2011 WS131)
Classification: Main-belt Asteroid          SPK-ID: 2359920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288860150824499 1.1131e-07  
a 3.141333931156395 7.4475e-08 au
q 2.73645991872636 3.9366e-07 au
i 3.467076223683779 1.321e-05 deg
node 193.6942858601723 0.00011949 deg
peri 233.7229461444747 0.00014609 deg
M 190.421862057615 8.4053e-05 deg
tp 2459958.436996185803
(2023-Jan-13.93699619)
0.00050265 TDB
period 2033.618972417636
5.57
7.232e-05
1.98e-07
d
yr
n .1770243122643666 6.2954e-09 deg/d
Q 3.54620794358643 8.4074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      4937 days (13.52 yr)  
   first obs. used      2005-09-26  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:46:54  

Additional Information
 Earth MOID = 1.75214 au 
 Jupiter MOID = 1.75813 au 
 T_jup = 3.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO471704  

359920 (2011 WS131)          Discovered 2005-Sep-26 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 WS131 = 2005 SD66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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